CAS 5982-56-9 appears in our catalog under these names: 1，2–Ethanedisulfonic Acid Dihydrate, 1,2-Ethanedisulfonic Acid Dihydrate, >95.0%(T), 1,2-Ethanedisulfonic acid dihydrate, 98%, Ethane-1,2-disulfonic acid dihydrate 97%, Ethane-1,2-disulfonic acid dihydrate, 97%(calcd.on anh.substance), 97%(calcd.on anh.substance). Offered by: GLPBio, TCI, Thermo Scientific (Acros), Ambeed, Chemat. Available pack sizes: 100g, 25g, 5g, 1g, 500g, 10g.